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Urinary Free Cortisol Is Similar in Older and Younger Women

2002; Routledge; Volume: 28; Issue: 2 Linguagem: Inglês

10.1080/03610730252800175

1096-4657

Nelson Carvalhaes-Neto, Luiz Roberto Ramos, José Gilberto H. Vieira, Cláudio E. Kater,

Psychological Well-being and Life Satisfaction

The increased cortisol secretion that occurs with aging is associated with characteristics of frailty. In this study we investigated whether healthy elderly women excrete increased amounts of urinary free cortisol (UFC) when compared to younger women. Twenty-four-hour UFC levels were measured in 25 elderly (70 to 87 years of age; median: 74) and 24 younger (19 to 59 years of age; median: 46) community-living women. All subjects were healthy and cognition was unimpaired. No differences in 24-hr UFC were observed between elderly and younger women (54.2 - 28.0 and 45.1 - 15.6 µg/24hr, respectively) and no correlation was found between 24-hr UFC and age. Also, elderly and younger women had similar 24-hr urinary volumes (1366 - 531 and 1514 - 412 ml 24hr, respectively) that did not correlate with UFC. In conclusion, older and younger healthy women have similar 24-hr UFC levels, possibly reflecting a comparable adrenocortical secretion of cortisol.